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What is the pH of a 0.1 M hydrochloric acid solution?
What is the pH of a 0.1 M hydrochloric acid solution?
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What is the pH of a 0.1 M hydrochloric acid solution?
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Hydrochloric acid (HCl) is a strong acid that dissociates completely in water, so a 0.1 M solution has a pH of 1.
Questions & Step-by-step Solutions
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Q: What is the pH of a 0.1 M hydrochloric acid solution?
Solution:
Hydrochloric acid (HCl) is a strong acid that dissociates completely in water, so a 0.1 M solution has a pH of 1.
Steps: 7
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Step 1: Understand that hydrochloric acid (HCl) is a strong acid.
Step 2: Know that strong acids dissociate completely in water, meaning they break apart into ions.
Step 3: In a 0.1 M solution of HCl, it will produce 0.1 M of hydrogen ions (H+) because it dissociates completely.
Step 4: Use the formula for pH, which is pH = -log[H+].
Step 5: Substitute the concentration of hydrogen ions into the formula: pH = -log(0.1).
Step 6: Calculate the logarithm: -log(0.1) equals 1.
Step 7: Conclude that the pH of a 0.1 M hydrochloric acid solution is 1.
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